<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <script type="module">
      //这里看上去是导入了两次，但实际上只导入一次
      import { i } from './02.js'
      import { j } from './02.js'
    </script>
  </body>
</html>
